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Unformatted text preview: ........................................ .............................................................................. .............................................................................. 221-154 Turn over – 12 – M01/420/H(3) E5. The basis of the chlor-alkali industry is the production of sodium hydroxide and chlorine from sodium chloride. Describe the diaphragm cell used in the electrolysis of sodium chloride. Refer to the processes taking place at both the cathode and anode electrodes in your answer. Suggest one advantage and one disadvantage of using the diaphragm cell instead of the mercury cell. .............................................................................. .............................................................................. .............................................................................. .............................................................................. ................................................................
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